Patents Assigned to El-Sew-Con Limited
  • Monitoring looper thread feed monitoring device in a sewing machine
    Patent number: 4602582
    Abstract: A thread monitor device for a textile machine to monitor thread feed through a region of a machine, the device including a source of light, means to convey the light to a thread feed region, and to direct light into said region, means to receive light directed into said region from said source and produce a monitor signal representative of said received light, means responsive to said monitor signal and to changes therein to indicate the occurrence of a change in said signal representative of a change in thread feed in the region.
    Type: Grant
    Filed: February 17, 1984
    Date of Patent: July 29, 1986
    Assignee: El-Sew-Con Limited
    Inventor: James W. Rawson